The night he was expelled from the scientific research institute, Chen Jin detonated the Ark, the last refuge of mankind - not to destroy, but to awaken the sleeping truth. When AI Vera K whispered "You are the first living person" in the ruins, when the memories of former comrade Lin Zhao were repeatedly cleaned by the system, and when the orphan Xiao Kui heard the cry of the system, they discovered that the real doomsday is when humans voluntarily delete their souls. And Lei Xiao's bomb is counting down.